Dr. Stuart McGill: Build a Strong, Pain-Proof Back

1128.834 - 1154.962 Stuart McGill

Also when we look at spines, there are the column of vertebrae with the intervening discs, but behind them there's two more joints and those are called facet joints and they guide motion. Those facet joints have a variety of angles. They can have open angles which allow you to twist. So if you took a group of golfers, could you imagine if they had facet angles like this, you can't twist.